Paint mixer



FIG. 1 is a front view of a paint mixer showing my new design.

FIG. 2 is a side view of the paint mixer.

FIG. 3 is top view of the paint mixer.

FIG. 4 is a bottom view of the paint mixer; and,

FIG. 5 is a perspective view of the paint mixer. 

The ornamental design for a paint mixer, as shown and described. 